New answers tagged pest-damage
I'm not sure of the exact species, but this did turn out to be a type of weevil. They also decimated the radishes I had growing next to the rocket. The rocket hung on, despite being covered with the things, full of holes at times and looking really unappetising! It's now free of the weevils (not sure why they left, weather / predators?), but as I mostly ...
Those appear to be white grubs, Leucopholis irrorata. It's a common pest in your area. A trichlorfon or carbaryl based insecticide should control them easily.
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